Britannia Cooker Repairs - brands we repair. Britannia, Rangemaster and ilve range cooker repairs and servicing. If you are a Britannia owner and your range cooker was built between 1994 and 2013 it was created by ILVE who have been manufacturing range cookers as a family run business since 1952, beautifully hand crafted in their facility service manual 4 5 Service Manuals Why you will normally not be able to get a service manual for your appliance We get asked constantly about service manuals for appliance, especially washing machines, dishwashers and tumble dryers as well as service manuals for fridges and fridge freezers as well as cookers and ovens etc.